<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts';
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize';

const animationDuration = 6000
import axios from 'axios';
export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '400px'
    }
  },
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      axios.get('/manage/member/getSevenDayRegisteredMember').then(res => {
        const result = res.data.data
        const data = Object.keys(result)
        let val = []
        for (const k in result) {
          val.push(result[k])
        }
        this.chart = echarts.init(this.$el, 'macarons')

        this.chart.setOption({
          title: {
            text: '最近七天注册人数',
            padding: 0
          },
          color: ['#3398DB'],
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              // 坐标轴指示器，坐标轴触发有效
              type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
            }
          },
          grid: {
            top: 30,
            left: '2%',
            right: '2%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              type: 'category',
              data: data,
              axisTick: {
                alignWithLabel: true
              }
            }
          ],
          yAxis: [
            {
              type: 'value',
              axisTick: {
                show: false
              }
            }
          ],
          series: [
            {
              name: '注册人数',
              type: 'bar',
              stack: 'vistors',
              barWidth: '60%',
              data: val,
              animationDuration
            }
          ]
        })
      })
    }
  }
}
</script>
